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Oracle database 10g:Administration I Sample Questions:

1. You specified segment space management as automatic for a tablespace. What effect would this have on space management?

A) The segment would be managed by the freelists.
B) Extents would be managed by the freelists.
C) The segment would be managed by bitmaps.
D) Free space would be managed by the data dictionary.

2. A user complains about getting this error after issuing a certain SQL statement: ORA-02393: exceeded call limit on CPU usage Because of the error, the SQL statement gets aborted. What action would you take to
increase the CPU usage limit in the subsequent sessions of the user?

A) Set the RESOURCE_LIMIT initialization parameter to FALSE.
B) Increase the value of the SESSION_CACHED_CURSORS initialization parameter.
C) Increase the value of the SESSION_MAX_OPEN_FILES initialization parameter.
D) Modify the resource limit in the profile used by the user.

3. Users of HR schema complain about slower-than-normal performance. On investigation the DBA found that maintenance was recently performed on some of the tables. The DBA traced the query that takes longer than normal to execute.
View the Exhibit exhibit_before.
After the DBA resolves the problem, the query performs normally.
View the Exhibit exhibit_after.
What action would the DBA have taken to resolve the performance problem?

A) moved the indexes associated with the EMPLOYEES table to the same tablespace where the EMPLOYEES table exists
B) moved the EMPLOYEES table in to a locally managed tablespace
C) moved the EMPLOYEES table to another location in the same tablespace
D) analyzed the EMPLOYEES table to collect the current statistics
E) reorganized the associated indexes for the EMPLOYEES table that were in an unusable state

4. You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace, UNDO_TBS1, in your database. Which two additional steps would you perform to achieve this? (Choose two.)

A) Set the UNDO_MANAGEMENT initialization parameter to AUTO.
B) Set the UNDO_RETENTION parameter to 900 or more.
C) Enable the retention guarantee for the undo tablespace.
D) Set the UNDO_TABLESPACE parameter to UNDO_TBS1.
E) Create an initial undo segment in the undo tablespace.

5. In your database, the Log Writer (LGWR) process is unable to write to a member of a current redo log group due to read/write failure. Which two effects would you see in your database? (Choose two.)

A) The database instance aborts.
B) Writing proceeds as normal. LGWR writes to the available members of a group and ignores the unavailable members.
C) The member would be marked as STALE and an error message would be written to the alert log file and LGWR trace file.
D) The database operation temporarily halts till the member becomes available.
E) The status of the group changes to INACTIVE and an error message would be written to the alert log file and LGWR trace file.

Solutions: